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-rw-r--r--host/lib/convert/CMakeLists.txt3
-rw-r--r--host/lib/convert/convert_fc32_with_sse2.cpp8
-rw-r--r--host/lib/convert/convert_fc64_to_sc8_with_sse2.cpp156
-rw-r--r--host/lib/convert/convert_fc64_with_sse2.cpp8
-rw-r--r--host/tests/convert_test.cpp2
5 files changed, 167 insertions, 10 deletions
diff --git a/host/lib/convert/CMakeLists.txt b/host/lib/convert/CMakeLists.txt
index 98907dc29..a2a61cb9a 100644
--- a/host/lib/convert/CMakeLists.txt
+++ b/host/lib/convert/CMakeLists.txt
@@ -1,5 +1,5 @@
#
-# Copyright 2011 Ettus Research LLC
+# Copyright 2011-2012 Ettus Research LLC
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
@@ -73,6 +73,7 @@ IF(HAVE_EMMINTRIN_H)
SET(convert_with_sse2_sources
${CMAKE_CURRENT_SOURCE_DIR}/convert_fc32_with_sse2.cpp
${CMAKE_CURRENT_SOURCE_DIR}/convert_fc64_with_sse2.cpp
+ ${CMAKE_CURRENT_SOURCE_DIR}/convert_fc64_to_sc8_with_sse2.cpp
)
SET_SOURCE_FILES_PROPERTIES(
${convert_with_sse2_sources}
diff --git a/host/lib/convert/convert_fc32_with_sse2.cpp b/host/lib/convert/convert_fc32_with_sse2.cpp
index 24a939d6c..97a3e8cdc 100644
--- a/host/lib/convert/convert_fc32_with_sse2.cpp
+++ b/host/lib/convert/convert_fc32_with_sse2.cpp
@@ -28,7 +28,7 @@ DECLARE_CONVERTER(fc32, 1, sc16_item32_le, 1, PRIORITY_SIMD){
const __m128 scalar = _mm_set_ps1(float(scale_factor));
#define convert_fc32_1_to_item32_1_nswap_guts(_al_) \
- for (; i+4 < nsamps; i+=4){ \
+ for (; i+3 < nsamps; i+=4){ \
/* load from input */ \
__m128 tmplo = _mm_load ## _al_ ## ps(reinterpret_cast<const float *>(input+i+0)); \
__m128 tmphi = _mm_load ## _al_ ## ps(reinterpret_cast<const float *>(input+i+2)); \
@@ -71,7 +71,7 @@ DECLARE_CONVERTER(fc32, 1, sc16_item32_be, 1, PRIORITY_SIMD){
const __m128 scalar = _mm_set_ps1(float(scale_factor));
#define convert_fc32_1_to_item32_1_bswap_guts(_al_) \
- for (; i+4 < nsamps; i+=4){ \
+ for (; i+3 < nsamps; i+=4){ \
/* load from input */ \
__m128 tmplo = _mm_load ## _al_ ## ps(reinterpret_cast<const float *>(input+i+0)); \
__m128 tmphi = _mm_load ## _al_ ## ps(reinterpret_cast<const float *>(input+i+2)); \
@@ -114,7 +114,7 @@ DECLARE_CONVERTER(sc16_item32_le, 1, fc32, 1, PRIORITY_SIMD){
const __m128i zeroi = _mm_setzero_si128();
#define convert_item32_1_to_fc32_1_nswap_guts(_al_) \
- for (; i+4 < nsamps; i+=4){ \
+ for (; i+3 < nsamps; i+=4){ \
/* load from input */ \
__m128i tmpi = _mm_loadu_si128(reinterpret_cast<const __m128i *>(input+i)); \
\
@@ -159,7 +159,7 @@ DECLARE_CONVERTER(sc16_item32_be, 1, fc32, 1, PRIORITY_SIMD){
const __m128i zeroi = _mm_setzero_si128();
#define convert_item32_1_to_fc32_1_bswap_guts(_al_) \
- for (; i+4 < nsamps; i+=4){ \
+ for (; i+3 < nsamps; i+=4){ \
/* load from input */ \
__m128i tmpi = _mm_loadu_si128(reinterpret_cast<const __m128i *>(input+i)); \
\
diff --git a/host/lib/convert/convert_fc64_to_sc8_with_sse2.cpp b/host/lib/convert/convert_fc64_to_sc8_with_sse2.cpp
new file mode 100644
index 000000000..405850601
--- /dev/null
+++ b/host/lib/convert/convert_fc64_to_sc8_with_sse2.cpp
@@ -0,0 +1,156 @@
+//
+// Copyright 2012 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#include "convert_common.hpp"
+#include <uhd/utils/byteswap.hpp>
+#include <emmintrin.h>
+
+using namespace uhd::convert;
+
+UHD_INLINE __m128i pack_sc8_item32_4x(
+ const __m128i &in0, const __m128i &in1,
+ const __m128i &in2, const __m128i &in3
+){
+ const __m128i lo = _mm_packs_epi32(in0, in1);
+ const __m128i hi = _mm_packs_epi32(in2, in3);
+ return _mm_packs_epi16(lo, hi);
+}
+
+UHD_INLINE __m128i pack_sc32_4x_be(
+ const __m128d &lo, const __m128d &hi,
+ const __m128d &scalar
+){
+ const __m128i tmpi_lo = _mm_cvttpd_epi32(_mm_mul_pd(hi, scalar));
+ const __m128i tmpi_hi = _mm_cvttpd_epi32(_mm_mul_pd(lo, scalar));
+ return _mm_unpacklo_epi64(tmpi_lo, tmpi_hi);
+}
+
+UHD_INLINE __m128i pack_sc32_4x_le(
+ const __m128d &lo, const __m128d &hi,
+ const __m128d &scalar
+){
+ const __m128i tmpi_lo = _mm_cvttpd_epi32(_mm_mul_pd(lo, scalar));
+ const __m128i tmpi_hi = _mm_cvttpd_epi32(_mm_mul_pd(hi, scalar));
+ const __m128i tmpi = _mm_unpacklo_epi64(tmpi_lo, tmpi_hi);
+ return _mm_shuffle_epi32(tmpi, _MM_SHUFFLE(2, 3, 0, 1));
+}
+
+DECLARE_CONVERTER(fc64, 1, sc8_item32_be, 1, PRIORITY_SIMD){
+ const fc64_t *input = reinterpret_cast<const fc64_t *>(inputs[0]);
+ item32_t *output = reinterpret_cast<item32_t *>(outputs[0]);
+
+ const __m128d scalar = _mm_set1_pd(scale_factor);
+
+ #define convert_fc64_1_to_sc8_item32_1_bswap_guts(_al_) \
+ for (size_t j = 0; i+7 < nsamps; i+=8, j+=4){ \
+ /* load from input */ \
+ __m128d tmp0 = _mm_load ## _al_ ## pd(reinterpret_cast<const double *>(input+i+0)); \
+ __m128d tmp1 = _mm_load ## _al_ ## pd(reinterpret_cast<const double *>(input+i+1)); \
+ __m128d tmp2 = _mm_load ## _al_ ## pd(reinterpret_cast<const double *>(input+i+2)); \
+ __m128d tmp3 = _mm_load ## _al_ ## pd(reinterpret_cast<const double *>(input+i+3)); \
+ __m128d tmp4 = _mm_load ## _al_ ## pd(reinterpret_cast<const double *>(input+i+4)); \
+ __m128d tmp5 = _mm_load ## _al_ ## pd(reinterpret_cast<const double *>(input+i+5)); \
+ __m128d tmp6 = _mm_load ## _al_ ## pd(reinterpret_cast<const double *>(input+i+6)); \
+ __m128d tmp7 = _mm_load ## _al_ ## pd(reinterpret_cast<const double *>(input+i+7)); \
+ \
+ /* interleave */ \
+ const __m128i tmpi = pack_sc8_item32_4x( \
+ pack_sc32_4x_be(tmp0, tmp1, scalar), \
+ pack_sc32_4x_be(tmp2, tmp3, scalar), \
+ pack_sc32_4x_be(tmp4, tmp5, scalar), \
+ pack_sc32_4x_be(tmp6, tmp7, scalar) \
+ ); \
+ \
+ /* store to output */ \
+ _mm_storeu_si128(reinterpret_cast<__m128i *>(output+j), tmpi); \
+ } \
+
+ size_t i = 0;
+
+ //dispatch according to alignment
+ if ((size_t(input) & 0xf) == 0){
+ convert_fc64_1_to_sc8_item32_1_bswap_guts(_)
+ }
+ else{
+ convert_fc64_1_to_sc8_item32_1_bswap_guts(u_)
+ }
+
+ //convert remainder
+ const size_t num_pairs = nsamps/2;
+ for (size_t j = i/2; j < num_pairs; j++, i+=2){
+ const item32_t item = fc64_to_item32_sc8(input[i], input[i+1], scale_factor);
+ output[j] = uhd::byteswap(item);
+ }
+
+ if (nsamps != num_pairs*2){
+ const item32_t item = fc64_to_item32_sc8(input[nsamps-1], 0, scale_factor);
+ output[num_pairs] = uhd::byteswap(item);
+ }
+}
+
+DECLARE_CONVERTER(fc64, 1, sc8_item32_le, 1, PRIORITY_SIMD){
+ const fc64_t *input = reinterpret_cast<const fc64_t *>(inputs[0]);
+ item32_t *output = reinterpret_cast<item32_t *>(outputs[0]);
+
+ const __m128d scalar = _mm_set1_pd(scale_factor);
+
+ #define convert_fc64_1_to_sc8_item32_1_nswap_guts(_al_) \
+ for (size_t j = 0; i+7 < nsamps; i+=8, j+=4){ \
+ /* load from input */ \
+ __m128d tmp0 = _mm_load ## _al_ ## pd(reinterpret_cast<const double *>(input+i+0)); \
+ __m128d tmp1 = _mm_load ## _al_ ## pd(reinterpret_cast<const double *>(input+i+1)); \
+ __m128d tmp2 = _mm_load ## _al_ ## pd(reinterpret_cast<const double *>(input+i+2)); \
+ __m128d tmp3 = _mm_load ## _al_ ## pd(reinterpret_cast<const double *>(input+i+3)); \
+ __m128d tmp4 = _mm_load ## _al_ ## pd(reinterpret_cast<const double *>(input+i+4)); \
+ __m128d tmp5 = _mm_load ## _al_ ## pd(reinterpret_cast<const double *>(input+i+5)); \
+ __m128d tmp6 = _mm_load ## _al_ ## pd(reinterpret_cast<const double *>(input+i+6)); \
+ __m128d tmp7 = _mm_load ## _al_ ## pd(reinterpret_cast<const double *>(input+i+7)); \
+ \
+ /* interleave */ \
+ const __m128i tmpi = pack_sc8_item32_4x( \
+ pack_sc32_4x_le(tmp0, tmp1, scalar), \
+ pack_sc32_4x_le(tmp2, tmp3, scalar), \
+ pack_sc32_4x_le(tmp4, tmp5, scalar), \
+ pack_sc32_4x_le(tmp6, tmp7, scalar) \
+ ); \
+ \
+ /* store to output */ \
+ _mm_storeu_si128(reinterpret_cast<__m128i *>(output+j), tmpi); \
+ } \
+
+ size_t i = 0;
+
+ //dispatch according to alignment
+ if ((size_t(input) & 0xf) == 0){
+ convert_fc64_1_to_sc8_item32_1_nswap_guts(_)
+ }
+ else{
+ convert_fc64_1_to_sc8_item32_1_nswap_guts(u_)
+ }
+
+ //convert remainder
+ const size_t num_pairs = nsamps/2;
+ for (size_t j = i/2; j < num_pairs; j++, i+=2){
+ const item32_t item = fc64_to_item32_sc8(input[i], input[i+1], scale_factor);
+ output[j] = (item);
+ }
+
+ if (nsamps != num_pairs*2){
+ const item32_t item = fc64_to_item32_sc8(input[nsamps-1], 0, scale_factor);
+ output[num_pairs] = (item);
+ }
+}
diff --git a/host/lib/convert/convert_fc64_with_sse2.cpp b/host/lib/convert/convert_fc64_with_sse2.cpp
index 837bb584e..6e097e380 100644
--- a/host/lib/convert/convert_fc64_with_sse2.cpp
+++ b/host/lib/convert/convert_fc64_with_sse2.cpp
@@ -28,7 +28,7 @@ DECLARE_CONVERTER(fc64, 1, sc16_item32_le, 1, PRIORITY_SIMD){
const __m128d scalar = _mm_set1_pd(scale_factor);
#define convert_fc64_1_to_item32_1_nswap_guts(_al_) \
- for (; i+4 < nsamps; i+=4){ \
+ for (; i+3 < nsamps; i+=4){ \
/* load from input */ \
__m128d tmp0 = _mm_load ## _al_ ## pd(reinterpret_cast<const double *>(input+i+0)); \
__m128d tmp1 = _mm_load ## _al_ ## pd(reinterpret_cast<const double *>(input+i+1)); \
@@ -75,7 +75,7 @@ DECLARE_CONVERTER(fc64, 1, sc16_item32_be, 1, PRIORITY_SIMD){
const __m128d scalar = _mm_set1_pd(scale_factor);
#define convert_fc64_1_to_item32_1_bswap_guts(_al_) \
- for (; i+4 < nsamps; i+=4){ \
+ for (; i+3 < nsamps; i+=4){ \
/* load from input */ \
__m128d tmp0 = _mm_load ## _al_ ## pd(reinterpret_cast<const double *>(input+i+0)); \
__m128d tmp1 = _mm_load ## _al_ ## pd(reinterpret_cast<const double *>(input+i+1)); \
@@ -122,7 +122,7 @@ DECLARE_CONVERTER(sc16_item32_le, 1, fc64, 1, PRIORITY_SIMD){
const __m128i zeroi = _mm_setzero_si128();
#define convert_item32_1_to_fc64_1_nswap_guts(_al_) \
- for (; i+4 < nsamps; i+=4){ \
+ for (; i+3 < nsamps; i+=4){ \
/* load from input */ \
__m128i tmpi = _mm_loadu_si128(reinterpret_cast<const __m128i *>(input+i)); \
\
@@ -171,7 +171,7 @@ DECLARE_CONVERTER(sc16_item32_be, 1, fc64, 1, PRIORITY_SIMD){
const __m128i zeroi = _mm_setzero_si128();
#define convert_item32_1_to_fc64_1_bswap_guts(_al_) \
- for (; i+4 < nsamps; i+=4){ \
+ for (; i+3 < nsamps; i+=4){ \
/* load from input */ \
__m128i tmpi = _mm_loadu_si128(reinterpret_cast<const __m128i *>(input+i)); \
\
diff --git a/host/tests/convert_test.cpp b/host/tests/convert_test.cpp
index 0ce4ebacb..d82014d3f 100644
--- a/host/tests/convert_test.cpp
+++ b/host/tests/convert_test.cpp
@@ -32,7 +32,7 @@ typedef std::complex<float> fc32_t;
typedef std::complex<double> fc64_t;
#define MY_CHECK_CLOSE(a, b, f) { \
- BOOST_CHECK_MESSAGE(std::abs((a)-(b)) < f, " " << #a << " (" << (a) << ") error " << #b << " (" << (b) << ")"); \
+ BOOST_CHECK_MESSAGE(std::abs((a)-(b)) < f, "\n\t" << #a << " (" << (a) << ") error " << #b << " (" << (b) << ")"); \
}
/***********************************************************************